نتایج جستجو برای: co continuous ceramic composite

تعداد نتایج: 722097  

Journal: :Advanced Energy Materials 2023

Ceramic Electrolytes In article number 2203663, Ritu Sahore, Xi Chelsea Chen, and co-workers investigate the role of ceramic architecture excess surface polymer layers in a 3D interconnected ceramic/polymer composite electrolyte. The cover art highlights that despite interconnectedness, high impedance polymer/ceramic interface at is bottleneck.

Journal: :Acta odontologica Scandinavica 2013
M Zaruba T N Göhring F J Wegehaupt T Attin

PURPOSE Evaluating the effect of a proximal margin elevation technique on marginal adaptation of ceramic inlays. METHODS Class II MOD-cavities were prepared in 40 human molars and randomly distributed to four groups (n = 10). In group EN (positive control) proximal margins were located in enamel, 1 mm above the cementoenamel junction, while 2 mm below in groups DE-1In, DE-2In and DE. The grou...

Journal: :international journal of environmental research 2014
m. mohamed jaffer sadiq a. samson nesaraj

novel ceramic oxides have been increasingly focused in recent years because of their potentialapplications in environmental purification especially to treat organic contaminants present in water. in thisresearch work, a set of nio-co3o4 nano-ceramic composite materials were prepared by a simple refluxcondensation method using nickel acetate / cobalt acetate as precursor salts, sodium monododecy...

Journal: :international journal of research in materials science 0
mohammad ardestani department of materials science and engineering, tehran science and research branch, islamic azad university, tehran, iran

in this research, synthesis and characterization of silver/alumina composite powders was investigated. this kind of metal/ceramic composite powders is used for fabrication of cutting tools inserts. the role of silver is toughening the final product. the powders were synthesized via co-precipitation method. the composition of the synthesized powders was ag/80% wt 〖al〗_2 o_3. silver nitrate, alum...

2012

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In the present paper, the problem of low velocity impact of plates made from different configurations of ceramic, aluminum, steel and composite (S-glass polyester) is analyzed numerically using  Abaqus finite element software. The projectile is assumed to be a rigid body with a hemispherical head. Also, for ceramic layers, Holmquist constitutive model, for aluminum and steel layers, Johnson Coo...

2016
Leonardo Fernandes da Cunha Rayane Alexandra Prochnow Adriana Osten Costacurta Carla Castiglia Gonzaga Gisele Maria Correr

This case report describes a patient with discolored and fractured composite resin restorations on the anterior teeth in whom substitution was indicated. After wax-up and mock-up, the composite was removed and replaced with minimally invasive ceramic laminates. An established and predictable protocol was performed using resin cement. Minimally invasive ceramic restorations are increasingly bein...

Journal: :Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.] 2005
Sinan Salim Ario Santini Khulood Najeeb Safar

PURPOSE The purpose of this study was to evaluate microleakage around Class V resin restorations restored with glass-ceramic inserts luted with a high-viscous composite resin or a flowable composite resin. MATERIALS AND METHODS Twenty extracted human premolars (patient age range 12-18 yr) were randomly assigned to four groups. Class V preparations in two groups were filled using a glass-ceram...

2017
Yabo Xiong Shaoyun Huang Wenqi Wang Xinghai Liu Houbin Li

Polymer matrix composite materials that can emit radiation in the far-infrared region of the spectrum are receiving increasing attention due to their ability to significantly influence biological processes. This study reports on the far-infrared emissivity property of composite films based on far-infrared ceramic powder. X-ray fluorescence spectrometry, Fourier transform infrared spectroscopy, ...

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